371126440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1709}}^1$

素因数の和:1870

約数の個数: 64

約数和(自身を含む): 858762000

約数和(自身を除く): 487635560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 89, 122, 178, 244, 305, 356, 445, 488, 610, 712, 890, 1220, 1709, 1780, 2440, 3418, 3560, 5429, 6836, 8545, 10858, 13672, 17090, 21716, 27145, 34180, 43432, 54290, 68360, 104249, 108580, 152101, 208498, 217160, 304202, 416996, 521245, 608404, 760505, 833992, 1042490, 1216808, 1521010, 2084980, 3042020, 4169960, 6084040, 9278161, 18556322, 37112644, 46390805, 74225288, 92781610, 185563220, 371126440]

約数ペア:

[(1, 371126440), (2, 185563220), (4, 92781610), (5, 74225288), (8, 46390805), (10, 37112644), (20, 18556322), (40, 9278161), (61, 6084040), (89, 4169960), (122, 3042020), (178, 2084980), (244, 1521010), (305, 1216808), (356, 1042490), (445, 833992), (488, 760505), (610, 608404), (712, 521245), (890, 416996), (1220, 304202), (1709, 217160), (1780, 208498), (2440, 152101), (3418, 108580), (3560, 104249), (5429, 68360), (6836, 54290), (8545, 43432), (10858, 34180), (13672, 27145), (17090, 21716)]